KRN [KRYZA Network] Token

Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)

Contract ownership is not renounced (belongs to a wallet)

CoinToken.updateFee(uint256,uint256,uint256) (#618-626) should emit an event for:
- _TAX_FEE = _txFee * 100 (#620)
- _BURN_FEE = _burnFee * 100 (#621)
- _CHARITY_FEE = _charityFee * 100 (#622)
- ORIG_TAX_FEE = _TAX_FEE (#623)
- ORIG_BURN_FEE = _BURN_FEE (#624)
- ORIG_CHARITY_FEE = _CHARITY_FEE (#625)
Emit an event for critical parameter changes.

Additional information: link

Address.isContract(address) (#268-277) uses assembly
- INLINE ASM (#275)
Address._functionCallWithValue(address,bytes,uint256,string) (#361-382) uses assembly
- INLINE ASM (#374-377)
Do not use evm assembly.

Additional information: link

CoinToken.includeAccount(address) (#600-611) has costly operations inside a loop:
- _excluded.pop() (#607)
Use a local variable to hold the loop computation result.

Additional information: link

CoinToken.allowance(address,address).owner (#523) shadows:
- Ownable.owner() (#406-408) (function)
CoinToken._approve(address,address,uint256).owner (#632) shadows:
- Ownable.owner() (#406-408) (function)
Rename the local variables that shadow another component.

Additional information: link

CoinToken.constructor(string,string,uint256,uint256,uint256,uint256,uint256,address,address,address).tokenOwner (#477) lacks a zero-check on :
- _owner = tokenOwner (#491)
CoinToken.constructor(string,string,uint256,uint256,uint256,uint256,uint256,address,address,address)._FeeAddress (#477) lacks a zero-check on :
- FeeAddress = _FeeAddress (#490)
CoinToken.setAsCharityAccount(address).account (#613) lacks a zero-check on :
- FeeAddress = account (#614)
CoinToken.constructor(string,string,uint256,uint256,uint256,uint256,uint256,address,address,address).service (#477) lacks a zero-check on :
- address(service).transfer(msg.value) (#493)
Check that the address is not zero.

Additional information: link

CoinToken._getTaxFee() (#820-822) is never used and should be removed
Address.sendValue(address,uint256) (#295-301) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#346-348) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#241-244) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#356-359) is never used and should be removed
Context._msgData() (#11-14) is never used and should be removed
SafeMath.mod(uint256,uint256) (#225-227) is never used and should be removed
Address._functionCallWithValue(address,bytes,uint256,string) (#361-382) is never used and should be removed
Address.isContract(address) (#268-277) is never used and should be removed
Address.functionCall(address,bytes,string) (#331-333) is never used and should be removed
Address.functionCall(address,bytes) (#321-323) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.2 (#3) allows old versions
solc-0.8.2 is not recommended for deployment
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.

Additional information: link

Low level call in Address.sendValue(address,uint256) (#295-301):
- (success) = recipient.call{value: amount}() (#299)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#361-382):
- (success,returndata) = target.call{value: weiValue}(data) (#365)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Parameter CoinToken.updateFee(uint256,uint256,uint256)._txFee (#618) is not in mixedCase
Parameter CoinToken.updateFee(uint256,uint256,uint256)._charityFee (#618) is not in mixedCase
Variable CoinToken._BURN_FEE (#469) is not in mixedCase
Variable CoinToken._NAME (#452) is not in mixedCase
Variable CoinToken.ORIG_CHARITY_FEE (#475) is not in mixedCase
Variable CoinToken._TAX_FEE (#468) is not in mixedCase
Variable CoinToken.ORIG_BURN_FEE (#474) is not in mixedCase
Variable Ownable._owner (#398) is not in mixedCase
Variable CoinToken.ORIG_TAX_FEE (#473) is not in mixedCase
Variable CoinToken._MAX (#457) is not in mixedCase
Variable CoinToken._DECIMALFACTOR (#458) is not in mixedCase
Variable CoinToken._DECIMALS (#454) is not in mixedCase
Variable CoinToken._SYMBOL (#453) is not in mixedCase
Variable CoinToken.FeeAddress (#455) is not in mixedCase
Variable CoinToken._GRANULARITY (#459) is not in mixedCase
Variable CoinToken._CHARITY_FEE (#470) is not in mixedCase
Parameter CoinToken.updateFee(uint256,uint256,uint256)._burnFee (#618) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#12)" inContext (#6-15)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Variable CoinToken._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#711) is too similar to CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#694)
Variable CoinToken._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#679) is too similar to CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#727)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#671) is too similar to CoinToken._getValues(uint256).tTransferAmount (#746)
Variable CoinToken._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#711) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#719)
Variable CoinToken._getValues(uint256).rTransferAmount (#749) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#671)
Variable CoinToken._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#773) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#719)
Variable CoinToken._getValues(uint256).rTransferAmount (#749) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#719)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#719) is too similar to CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#727)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#686) is too similar to CoinToken._getValues(uint256).tTransferAmount (#746)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#580) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#686)
Variable CoinToken._getValues(uint256).rTransferAmount (#749) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#686)
Variable CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#727) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#671)
Variable CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#694) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#671)
Variable CoinToken._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#773) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#703)
Variable CoinToken._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#773) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#686)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#671) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#703)
Variable CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#694) is too similar to CoinToken._getValues(uint256).tTransferAmount (#746)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#671) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#671)
Variable CoinToken._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#679) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#703)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#580) is too similar to CoinToken._getValues(uint256).tTransferAmount (#746)
Variable CoinToken._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#679) is too similar to CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#694)
Variable CoinToken._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#773) is too similar to CoinToken._getValues(uint256).tTransferAmount (#746)
Variable CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#694) is too similar to CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#694)
Variable CoinToken._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#711) is too similar to CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#727)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#703) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#719)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#719) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#719)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#671) is too similar to CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#694)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#686) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#671)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#671) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#686)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#671) is too similar to CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#727)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#671) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#719)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#703) is too similar to CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#694)
Variable CoinToken._getValues(uint256).rTransferAmount (#749) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#703)
Variable CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#727) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#719)
Variable CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#694) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#703)
Variable CoinToken._getValues(uint256).rTransferAmount (#749) is too similar to CoinToken._getValues(uint256).tTransferAmount (#746)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#719) is too similar to CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#694)
Variable CoinToken._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#711) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#703)
Variable CoinToken._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#679) is too similar to CoinToken._getValues(uint256).tTransferAmount (#746)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#580) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#703)
Variable CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#727) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#703)
Variable CoinToken._getValues(uint256).rTransferAmount (#749) is too similar to CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#727)
Variable CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#694) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#686)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#686) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#719)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#580) is too similar to CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#694)
Variable CoinToken._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#773) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#671)
Variable CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#727) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#686)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#719) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#703)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#580) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#671)
Variable CoinToken._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#679) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#686)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#703) is too similar to CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#727)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#686) is too similar to CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#694)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#703) is too similar to CoinToken._getValues(uint256).tTransferAmount (#746)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#703) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#703)
Variable CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#727) is too similar to CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#727)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#719) is too similar to CoinToken._getValues(uint256).tTransferAmount (#746)
Variable CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#694) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#719)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#719) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#686)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#686) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#703)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#686) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#686)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#719) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#671)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#580) is too similar to CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#727)
Variable CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#727) is too similar to CoinToken._getValues(uint256).tTransferAmount (#746)
Variable CoinToken._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#711) is too similar to CoinToken._getValues(uint256).tTransferAmount (#746)
Variable CoinToken._getValues(uint256).rTransferAmount (#749) is too similar to CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#694)
Variable CoinToken._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#711) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#671)
Variable CoinToken._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#679) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#719)
Variable CoinToken._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#679) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#671)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#686) is too similar to CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#727)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#580) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#719)
Variable CoinToken._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#773) is too similar to CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#727)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#703) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#686)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#703) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#671)
Variable CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#727) is too similar to CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#694)
Variable CoinToken._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#711) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#686)
Variable CoinToken._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#773) is too similar to CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#694)
Variable CoinToken._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#694) is too similar to CoinToken._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#727)
Prevent variables from having similar names.

Additional information: link

CoinToken._GRANULARITY (#459) should be constant
CoinToken._MAX (#457) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

totalFees() should be declared external:
- CoinToken.totalFees() (#553-555)
totalCharity() should be declared external:
- CoinToken.totalCharity() (#561-563)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#425-428)
totalSupply() should be declared external:
- CoinToken.totalSupply() (#509-511)
approve(address,uint256) should be declared external:
- CoinToken.approve(address,uint256) (#527-530)
reflectionFromToken(uint256,bool) should be declared external:
- CoinToken.reflectionFromToken(uint256,bool) (#574-583)
deliver(uint256) should be declared external:
- CoinToken.deliver(uint256) (#565-572)
decreaseAllowance(address,uint256) should be declared external:
- CoinToken.decreaseAllowance(address,uint256) (#543-546)
owner() should be declared external:
- Ownable.owner() (#406-408)
balanceOf(address) should be declared external:
- CoinToken.balanceOf(address) (#513-516)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#434-438)
transfer(address,uint256) should be declared external:
- CoinToken.transfer(address,uint256) (#518-521)
transferFrom(address,address,uint256) should be declared external:
- CoinToken.transferFrom(address,address,uint256) (#532-536)
decimals() should be declared external:
- CoinToken.decimals() (#505-507)
symbol() should be declared external:
- CoinToken.symbol() (#501-503)
updateFee(uint256,uint256,uint256) should be declared external:
- CoinToken.updateFee(uint256,uint256,uint256) (#618-626)
totalBurn() should be declared external:
- CoinToken.totalBurn() (#557-559)
increaseAllowance(address,uint256) should be declared external:
- CoinToken.increaseAllowance(address,uint256) (#538-541)
name() should be declared external:
- CoinToken.name() (#497-499)
allowance(address,address) should be declared external:
- CoinToken.allowance(address,address) (#523-525)
isExcluded(address) should be declared external:
- CoinToken.isExcluded(address) (#548-550)
Use the external attribute for functions never called from the contract.

Additional information: link

Average 30d PancakeSwap liquidity is less than $100. Token is either dead or inactive.

Average 30d number of PancakeSwap swaps is less than 1. Token is either dead or inactive.

Token is deployed only at one blockchain

Unable to find token contract audit

Token is not listed at Mobula.Finance

Additional information: link

Unable to find audit link on the website

Unable to find token on CoinHunt

Additional information: link

Unable to find code repository for the project

Token has a considerable age, but social accounts / website are missing or have few users

Token has relatively low CoinGecko rank